Dr Pooranmal and Ashfaq A Khan Solutions for Chapter: Factors and Multiples, Exercise 3: EXERCISE 4.3

Replace $*$ by the smallest number to make the following number exactly divisible by $9$:

$289*643$

Replace $*$ by the smallest number to make the following number exactly divisible by $9$:

$7428*37$

Replace $*$ by the smallest number to make the following number exactly divisible by $9$:

$3485642*$.

Replace $*$ by the smallest number to make the following number exactly divisible by $9$:

$49*642918$

Replace $*$ by the smallest number to make the following number exactly divisible by $11$:

$72*810$

Replace $*$ by the smallest number to make the following number exactly divisible by $11$:

$932*76$

Replace $*$ by the smallest number to make the following number exactly divisible by $11$:

$29142*1$

Replace $*$ by the smallest number to make the following number exactly divisible by $11$:

$87*6423$